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© Panasonic Industriar Devices SUNX Co., Ltd. 2016
Sensor connection number
setting function
Incorporated
Overvoltage category
II
Type
Controller for safety liquid leak sensor
SQ4-A
series
Model No.
SQ4-C11
Protection structure
IP20 (IEC) (However, it should be in IP54 protection structure of control panel)
Degree of pollution
2
Ambient temperature
-10 to +55°C (No dew condensation or icing allowed.)
Storage: -20 to +70°C
Ambient humidity
35 to 85% RH, Storage: 35 to 85%RH
Altitude for use
2,000m or less above sea level (Note 5)
Withstand voltage
AC1,000V for 1 minute (between total charge area and case)
Insulation resistance
20MΩ or more at DC 500
V
megger (between total charge area and case)
Vibration resistance
Malfunction: 10 to 55 Hz multiple amplitude 0.75mm 30 minutes for each X, Y and
Z directions (in power supply)
Impact resistance
Malfunction: Peak acceleration 294m/s
2
,
Pulse continuation time 11ms times for each X, Y
and Z direction, 3 times for 6 directions of 3 orthogonal axes each other (in power supply)
PFHd (Note 1)
Selecting PNP output: 1.89 × 10
-9
(when connecting 4 safety liquid connecting sensors)
Selecting NPN output: 1.80 × 10
-9
(when connecting 4 safety liquid connecting sensors)
MTTFd (Note 2)
100 years or more
SFF (Note 3)
99%
HFT (Note 4)
1
Sub-system time
Type B (IEC 61508-2)
Mission time
20 years
Detectable failure mode
Output short, broken internal circuit and etc.
Connecting method
Sensor connection: Easy insulation displacement connector
Power supply and input / output: Cage clamp type removable connector terminal
Material
Main unit case: PC / ABS (alloy)
Mass
Approx. 300g
Applicable standard
EN 55011 ClassA, EN 61000-6-2, EN 50178,EN ISO 13849-1 (Category 4, PLe)
EN 61508-1 to 7 (SIL3),
ISO 13849-1 (Category 4, PLe), IEC 61508-1 to 7 (SIL3)
JIS B 9705-1 (Category 4), JIS C 0508-1 to 7 (SIL3)
Notes: 1) PFHd: Probability of dangerous failure per hour
2) MTTFd: Mean time to dangerous failure
3) Safe failure fraction
4) Hardware failure tolerance
5) Do not use or storage in environment of more than atmospheric pressure at sea level.
Specification